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Robots help people in many situations. Some robots rescue people trapped by tornadoes or earthquakes. Others explore volcanoes and the seafloor. And some help scientists protect our environment. How might helper robots affect your life? Read this book to find out!
€58.21
语言 英语 ● 格式 PDF ● ISBN 9781467746908 ● 出版者 Lerner Publishing Group ● 发布时间 2014 ● 下载 3 时 ● 货币 EUR ● ID 5896621 ● 复制保护 Adobe DRM
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